Making identical dado cuts in a series of pieces can be tricky, particularly when the cut happens to be wider than the widest setting for your dado blade.

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woodworking technique shop tip

Measure carefully and clamp two separate blocks (A and B in the drawing above) to the top of your tablesaw to establish the right- and left-hand limits of the dado. Position the stock against stopblock A, make the cut, and do likewise after aligning the stock with block B. Use scrap stock to check your settings before cutting the actual workpieces, and hold the stock securely against the miter gauge.
—Silvia Eder, Rio de Janeiro, Brazil